14223791 has 4 divisors (see below), whose sum is σ = 14235000. Its totient is φ = 14212584.

The previous prime is 14223787. The next prime is 14223817. The reversal of 14223791 is 19732241.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 19732241 = 19 ⋅1038539.

It is a cyclic number.

It is not a de Polignac number, because 14223791 - 2² = 14223787 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14223691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3416 + ... + 6333.

It is an arithmetic number, because the mean of its divisors is an integer number (3558750).

Almost surely, 2^14223791 is an apocalyptic number.

14223791 is a deficient number, since it is larger than the sum of its proper divisors (11209).

14223791 is an equidigital number, since it uses as much as digits as its factorization.

14223791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11208.

The product of its digits is 3024, while the sum is 29.

The square root of 14223791 is about 3771.4441531063. Note that the first 3 decimals coincide. The cubic root of 14223791 is about 242.2916536909.

The spelling of 14223791 in words is "fourteen million, two hundred twenty-three thousand, seven hundred ninety-one".